/*
 * Tencent is pleased to support the open source community by making
 * Hippy available.
 *
 * Copyright (C) 2017-2022 THL A29 Limited, a Tencent company.
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

const path = require('path');
const fs = require('fs');
const typescript = require('rollup-plugin-typescript2');
const replace = require('@rollup/plugin-replace');
const { nodeResolve } = require('@rollup/plugin-node-resolve');
const { babel, getBabelOutputPlugin } = require('@rollup/plugin-babel');
const commonjs = require('@rollup/plugin-commonjs');
const hippyReactWebPackage = require('../packages/hippy-react-web/package.json');
const { banner, resolvePackage, getDtsConfig } = require('./utils');


const hippyReactWebPath = path.resolve(__dirname, '../packages/hippy-react-web');
const hippyReactWebComponentsPath = `${hippyReactWebPath}/src/components`;
const hippyReactWebModulesPath = `${hippyReactWebPath}/src/modules`;
const getHippyReactWebModules = () => {
  const hippyReactWebmodules = [];
  fs.readdirSync(hippyReactWebModulesPath).forEach((file) => {
    const moduleFilePath = `${hippyReactWebModulesPath}/${file}`;
    if (fs.lstatSync(moduleFilePath).isDirectory()) {
      if (fs.lstatSync(`${moduleFilePath}/index.ts`).isFile()) {
        hippyReactWebmodules.push(`${moduleFilePath}/index.ts`);
      }
    } else {
      hippyReactWebmodules.push(moduleFilePath);
    }
  });
  return hippyReactWebmodules;
};
const hippyReactWebComponents = fs.readdirSync(hippyReactWebComponentsPath).map(filename => `${hippyReactWebComponentsPath}/${filename}`);
const hippyReactWebModules = getHippyReactWebModules();

const builds = {
  '@hippy/react-web': {
    entry: [
      resolvePackage('hippy-react-web', 'src/index.ts'),
      ...hippyReactWebComponents,
      ...hippyReactWebModules,
    ],
    dest: resolvePackage('hippy-react-web', 'dist/index.js'),
    format: 'es',
    banner: banner('@hippy/react-web', hippyReactWebPackage.version),
    plugins: [
      babel({ babelHelpers: 'bundled' }),
    ],
    output: {
      dir: './packages/hippy-react-web/dist',
      format: 'es',
      entryFileNames: (bundle) => {
        if (bundle.facadeModuleId.includes('src/index.ts')) return '[name].js';
        if (bundle.facadeModuleId.includes('src/modules/')) return 'modules/[name].js';
        return 'lib/[name].js';
      },
      chunkFileNames: 'chunk/[name].[hash].js',
      plugins: [
        getBabelOutputPlugin({ presets: ['@babel/preset-env'] }),
      ],
    },
    external(id) {
      return !![
        'react',
        'react-dom',
        'swiper',
        '@hippy/rmc-list-view',
        '@hippy/rmc-pull-to-refresh',
      ].find(ext => id.startsWith(ext));
    },
  },
  '@hippy/react-web-cjs': {
    entry: resolvePackage('hippy-react-web', 'src/index.ts'),
    format: 'es',
    banner: banner('@hippy/react-web', hippyReactWebPackage.version),
    plugins: [
      babel({ babelHelpers: 'bundled' }),
    ],
    output: {
      dir: resolvePackage('hippy-react-web', 'dist/cjs'),
      format: 'cjs',
      plugins: [
        getBabelOutputPlugin({ presets: ['@babel/preset-env'] }),
      ],
    },
    external(id) {
      return !![
        'react',
        'react-dom',
        'swiper',
        '@hippy/rmc-list-view',
        '@hippy/rmc-pull-to-refresh',
      ].find(ext => id.startsWith(ext));
    },
  },
};

builds.declaration = getDtsConfig({
  ...builds['@hippy/react-web'],
  fixHippyTypes: true,
});

function genConfig(name) {
  const opts = builds[name];
  // declaration
  if (name === 'declaration') {
    return opts;
  }
  const config = {
    input: opts.entry,
    external: opts.external,
    plugins: [
      replace({
        preventAssignment: true,
        values: {
          'process.env.HIPPY_REACT_WEB_VERSION': `"${hippyReactWebPackage.version}"`,
        },
      }),
      nodeResolve(),
      commonjs(),
      typescript({
        tsconfig: path.resolve(__dirname, '../tsconfig.json'),
        tsconfigOverride: {
          compilerOptions: {
            declaration: false,
          },
          exclude: ['**/__tests__/*.test.*'],
          include: [
            'packages/hippy-react-web/src',
            'packages/global.d.ts',
            'node_modules/@types/web/index.d.ts',
            'node_modules/@types/node/index.d.ts',
          ],
        },
      }),
    ].concat(opts.plugins || []),
    output: opts?.output ? opts.output : {
      name,
      file: opts.dest,
      format: opts.format,
      banner: opts.banner,
      exports: 'auto',
    },
    onwarn: (msg) => {
      //  ignore warning from package 'rmc-pull-to-refresh'
      if (msg.code === 'THIS_IS_UNDEFINED') {
        return;
      }
    },
  };

  if (opts.env) {
    config.plugins.push(replace({
      'process.env.NODE_ENV': JSON.stringify(opts.env),
    }));
  }

  return config;
}

if (process.env.TARGET) {
  module.exports = genConfig(process.env.TARGET);
} else {
  module.exports.getBuild = genConfig;
  module.exports.getAllBuilds = () => Object.keys(builds).map(genConfig);
}